Halloween is all about options: Trick or treat, fruity Skittles or chocolate Snickers, and — most importantly — looking gruesome or glamorous. While some embrace the holiday as a true night of horror (zombies, “Scream” guy, yourself aged 100 years) members of the style set take the opportunity to look, well, stylish, culling references both common and obscure to prove just how fashionable All Hallows Eve can be. Voilà, the most boo-tiful (sorry) costumes in recent memory: